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Some peoples immune systems simply do not exist, due to use of antibiotics.
I know that MRSA has no effect on my body, and that is likely so for the majority of our population. Were this not so, we would already be in an exponentially expanding epidemic of MRSA, and we are not.
Members of hospital staff typically fall on the other side of that tensor due to their propensity for the excessive use of antibiotics.
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“I know that MRSA has no effect on my body..”
How do you know this? Have you been deliberately infected with MRSA at some point?
And even if that’s true, which I doubt, how does that extrapolate to the entire population?
L